#
VERSION = 2014
-PATCHLEVEL = 01
+PATCHLEVEL = 04
SUBLEVEL =
-EXTRAVERSION =
+EXTRAVERSION = -rc1
NAME =
# *DOCUMENTATION*
#########################################################################
-TIMESTAMP_FILE = include/generated/timestamp_autogenerated.h
-VERSION_FILE = include/generated/version_autogenerated.h
-
HOSTARCH := $(shell uname -m | \
sed -e s/i.86/x86/ \
-e s/sun4u/sparc64/ \
-fno-builtin -ffreestanding
KBUILD_AFLAGS := -D__ASSEMBLY__
-U_BOOT_VERSION = $(VERSION)$(if $(PATCHLEVEL),.$(PATCHLEVEL)$(if $(SUBLEVEL),.$(SUBLEVEL)))$(EXTRAVERSION)
+# Read UBOOTRELEASE from include/config/uboot.release (if it exists)
+UBOOTRELEASE = $(shell cat include/config/uboot.release 2> /dev/null)
+UBOOTVERSION = $(VERSION)$(if $(PATCHLEVEL),.$(PATCHLEVEL)$(if $(SUBLEVEL),.$(SUBLEVEL)))$(EXTRAVERSION)
-export VERSION PATCHLEVEL SUBLEVEL U_BOOT_VERSION
+export VERSION PATCHLEVEL SUBLEVEL UBOOTRELEASE UBOOTVERSION
export ARCH CPU BOARD VENDOR SOC
export CONFIG_SHELL HOSTCC HOSTCFLAGS HOSTLDFLAGS CROSS_COMPILE AS LD CC
export CPP AR NM LDR STRIP OBJCOPY OBJDUMP
# To avoid any implicit rule to kick in, define an empty command.
scripts/basic/%: scripts_basic ;
+PHONY += outputmakefile
+# outputmakefile generates a Makefile in the output directory, if using a
+# separate output directory. This allows convenient use of make in the
+# output directory.
+outputmakefile:
+ifneq ($(KBUILD_SRC),)
+ $(Q)ln -fsn $(srctree) source
+ $(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile \
+ $(srctree) $(objtree) $(VERSION) $(PATCHLEVEL)
+endif
+
# To make sure we do not include .config for any of the *config targets
# catch them early, and hand them over to scripts/kconfig/Makefile
# It is allowed to specify more targets when calling make, including
# Detect when mixed targets is specified, and make a second invocation
# of make so .config is not included in this case either (for *config).
+version_h := include/generated/version_autogenerated.h
+timestamp_h := include/generated/timestamp_autogenerated.h
+
no-dot-config-targets := clean clobber mrproper distclean \
- cscope TAGS %tags help %docs check% coccicheck \
+ help %docs check% coccicheck \
backup
config-targets := 0
# KBUILD_DEFCONFIG may point out an alternative default configuration
# used for 'make defconfig'
-%_config::
+%_config:: outputmakefile
@$(MKCONFIG) -A $(@:_config=)
else
KBUILD_AFLAGS += -g
# Report stack usage if supported
-KBUILD_CFLAGS += $(call cc-option,-fstack-usage)
+ifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-stack-usage.sh $(CC)),y)
+ KBUILD_CFLAGS += -fstack-usage
+endif
KBUILD_CFLAGS += $(call cc-option,-Wno-format-nonliteral)
cpp_flags := $(KBUILD_CPPFLAGS) $(CPPFLAGS) $(UBOOTINCLUDE) $(NOSTDINC_FLAGS)
c_flags := $(KBUILD_CFLAGS) $(cpp_flags)
-.PHONY : $(VERSION_FILE) $(TIMESTAMP_FILE)
-
#########################################################################
# U-Boot objects....order is important (i.e. start must be first)
ifdef SOC
libs-y += $(CPUDIR)/$(SOC)/
endif
-libs-$(CONFIG_IXP4XX_NPE) += drivers/net/npe/
libs-$(CONFIG_OF_EMBED) += dts/
libs-y += arch/$(ARCH)/lib/
libs-y += fs/
ALL-$(CONFIG_SPL) += spl/u-boot-spl.bin
ALL-$(CONFIG_SPL_FRAMEWORK) += u-boot.img
ALL-$(CONFIG_TPL) += tpl/u-boot-tpl.bin
-ALL-$(CONFIG_OF_SEPARATE) += u-boot.dtb u-boot-dtb.bin
+ALL-$(CONFIG_OF_SEPARATE) += u-boot-dtb.bin
ifneq ($(CONFIG_SPL_TARGET),)
ALL-$(CONFIG_SPL) += $(CONFIG_SPL_TARGET:"%"=%)
endif
endif
endif
-LDFLAGS_u-boot += -T u-boot.lds $(LDFLAGS_FINAL)
+LDFLAGS_u-boot += $(LDFLAGS_FINAL)
ifneq ($(CONFIG_SYS_TEXT_BASE),)
LDFLAGS_u-boot += -Ttext $(CONFIG_SYS_TEXT_BASE)
endif
+quiet_cmd_objcopy = OBJCOPY $@
+cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@
+
+quiet_cmd_mkimage = UIMAGE $@
+cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \
+ $(if $(KBUILD_VERBOSE:1=), >/dev/null)
+
+quiet_cmd_cat = CAT $@
+cmd_cat = cat $(filter-out $(PHONY), $^) > $@
+
+append = cat $(filter-out $< $(PHONY), $^) >> $@
+
+quiet_cmd_pad_cat = CAT $@
+cmd_pad_cat = $(cmd_objcopy) && $(append) || rm -f $@
+
all: $(ALL-y)
-u-boot.dtb: checkdtc u-boot
- $(MAKE) $(build)=dts binary
- mv dts/dt.dtb $@
+PHONY += dtbs
+dtbs dts/dt.dtb: checkdtc u-boot
+ $(Q)$(MAKE) $(build)=dts dtbs
-u-boot-dtb.bin: u-boot.bin u-boot.dtb
- cat $^ >$@
+u-boot-dtb.bin: u-boot.bin dts/dt.dtb FORCE
+ $(call if_changed,cat)
-u-boot.hex: u-boot
- $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@
+OBJCOPYFLAGS_u-boot.hex := -O ihex
-u-boot.srec: u-boot
- $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@
+OBJCOPYFLAGS_u-boot.srec := -O srec
-u-boot.bin: u-boot
- $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@
- $(call DO_STATIC_RELA,$<,$@,$(CONFIG_SYS_TEXT_BASE))
- $(BOARD_SIZE_CHECK)
+u-boot.hex u-boot.srec: u-boot FORCE
+ $(call if_changed,objcopy)
+
+OBJCOPYFLAGS_u-boot.bin := -O binary
+
+u-boot.bin: u-boot FORCE
+ $(call if_changed,objcopy)
+ $(call DO_STATIC_RELA,$<,$@,$(CONFIG_SYS_TEXT_BASE))
+ $(BOARD_SIZE_CHECK)
u-boot.ldr: u-boot
$(CREATE_LDR_ENV)
$(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS)
$(BOARD_SIZE_CHECK)
-u-boot.ldr.hex: u-boot.ldr
- $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ -I binary
+OBJCOPYFLAGS_u-boot.ldr.hex := -I binary -O ihex
+
+OBJCOPYFLAGS_u-boot.ldr.srec := -I binary -O srec
-u-boot.ldr.srec: u-boot.ldr
- $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ -I binary
+u-boot.ldr.hex u-boot.ldr.srec: u-boot.ldr FORCE
+ $(call if_changed,objcopy)
#
# U-Boot entry point, needed for booting of full-blown U-Boot
CONFIG_SYS_UBOOT_START := 0
endif
-u-boot.img: u-boot.bin
- tools/mkimage -A $(ARCH) -T firmware -C none \
- -O u-boot -a $(CONFIG_SYS_TEXT_BASE) \
- -e $(CONFIG_SYS_UBOOT_START) \
- -n $(shell sed -n -e 's/.*U_BOOT_VERSION//p' $(VERSION_FILE) | \
- sed -e 's/"[ ]*$$/ for $(BOARD) board"/') \
- -d $< $@
+MKIMAGEFLAGS_u-boot.img = -A $(ARCH) -T firmware -C none -O u-boot \
+ -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \
+ -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board"
-u-boot.imx: u-boot.bin
- $(MAKE) $(build)=arch/arm/imx-common $(objtree)/u-boot.imx
+MKIMAGEFLAGS_u-boot.kwb = -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \
+ -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE)
+
+MKIMAGEFLAGS_u-boot.pbl = -n $(CONFIG_SYS_FSL_PBL_RCW) \
+ -R $(CONFIG_SYS_FSL_PBL_PBI) -T pblimage
-u-boot.kwb: u-boot.bin
- tools/mkimage -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \
- -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) -d $< $@
+u-boot.img u-boot.kwb u-boot.pbl: u-boot.bin FORCE
+ $(call if_changed,mkimage)
-u-boot.pbl: u-boot.bin
- tools/mkimage -n $(CONFIG_SYS_FSL_PBL_RCW) \
- -R $(CONFIG_SYS_FSL_PBL_PBI) -T pblimage \
- -d $< $@
+u-boot.imx: u-boot.bin
+ $(Q)$(MAKE) $(build)=arch/arm/imx-common $(objtree)/$@
u-boot.sha1: u-boot.bin
tools/ubsha1 u-boot.bin
u-boot.dis: u-boot
$(OBJDUMP) -d $< > $@
-# $@ is output, $(1) and $(2) are inputs, $(3) is padded intermediate,
-# $(4) is pad-to
-SPL_PAD_APPEND = \
- $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(4) -I binary -O binary \
- $(1) $(3); \
- cat $(3) $(2) > $@; \
- rm $(3)
-
ifdef CONFIG_TPL
SPL_PAYLOAD := tpl/u-boot-with-tpl.bin
else
SPL_PAYLOAD := u-boot.bin
endif
-u-boot-with-spl.bin: spl/u-boot-spl.bin $(SPL_PAYLOAD)
- $(call SPL_PAD_APPEND,$<,$(SPL_PAYLOAD),spl/u-boot-spl-pad.bin,$(CONFIG_SPL_PAD_TO))
+OBJCOPYFLAGS_u-boot-with-spl.bin = -I binary -O binary \
+ --pad-to=$(CONFIG_SPL_PAD_TO)
+u-boot-with-spl.bin: spl/u-boot-spl.bin $(SPL_PAYLOAD) FORCE
+ $(call if_changed,pad_cat)
-tpl/u-boot-with-tpl.bin: tpl/u-boot-tpl.bin u-boot.bin
- $(call SPL_PAD_APPEND,$<,u-boot.bin,tpl/u-boot-tpl-pad.bin,$(CONFIG_TPL_PAD_TO))
+OBJCOPYFLAGS_u-boot-with-tpl.bin = -I binary -O binary \
+ --pad-to=$(CONFIG_TPL_PAD_TO)
+tpl/u-boot-with-tpl.bin: tpl/u-boot-tpl.bin u-boot.bin FORCE
+ $(call if_changed,pad_cat)
-u-boot-with-spl.imx: spl/u-boot-spl.bin u-boot.bin
- $(MAKE) $(build)=arch/arm/imx-common \
- $(OBJTREE)/u-boot-with-spl.imx
+u-boot-with-spl.imx u-boot-with-nand-spl.imx: spl/u-boot-spl.bin u-boot.bin
+ $(Q)$(MAKE) $(build)=arch/arm/imx-common $(objtree)/$@
-u-boot-with-nand-spl.imx: spl/u-boot-spl.bin u-boot.bin
- $(MAKE) $(build)=arch/arm/imx-common \
- $(OBJTREE)/u-boot-with-nand-spl.imx
+MKIMAGEFLAGS_u-boot.ubl = -n $(UBL_CONFIG) -T ublimage -e $(CONFIG_SYS_TEXT_BASE)
-u-boot.ubl: u-boot-with-spl.bin
- tools/mkimage -n $(UBL_CONFIG) -T ublimage \
- -e $(CONFIG_SYS_TEXT_BASE) -d $< u-boot.ubl
+u-boot.ubl: u-boot-with-spl.bin FORCE
+ $(call if_changed,mkimage)
-u-boot.ais: spl/u-boot-spl.bin u-boot.img
- tools/mkimage -s -n $(if $(CONFIG_AIS_CONFIG_FILE),$(srctree)/$(CONFIG_AIS_CONFIG_FILE:"%"=%),"/dev/null") \
- -T aisimage \
- -e $(CONFIG_SPL_TEXT_BASE) \
- -d spl/u-boot-spl.bin \
- spl/u-boot-spl.ais
- $(OBJCOPY) ${OBJCFLAGS} -I binary \
- --pad-to=$(CONFIG_SPL_MAX_SIZE) -O binary \
- spl/u-boot-spl.ais spl/u-boot-spl-pad.ais
- cat spl/u-boot-spl-pad.ais u-boot.img > u-boot.ais
+MKIMAGEFLAGS_u-boot-spl.ais = -s -n $(if $(CONFIG_AIS_CONFIG_FILE), \
+ $(srctree)/$(CONFIG_AIS_CONFIG_FILE:"%"=%),"/dev/null") \
+ -T aisimage -e $(CONFIG_SPL_TEXT_BASE)
+spl/u-boot-spl.ais: spl/u-boot-spl.bin FORCE
+ $(call if_changed,mkimage)
+OBJCOPYFLAGS_u-boot.ais = -I binary -O binary --pad-to=$(CONFIG_SPL_MAX_SIZE)
+u-boot.ais: spl/u-boot-spl.ais u-boot.img FORCE
+ $(call if_changed,pad_cat)
-u-boot.sb: u-boot.bin spl/u-boot-spl.bin
- $(MAKE) $(build)=$(CPUDIR)/$(SOC)/ $(OBJTREE)/u-boot.sb
+u-boot.sb: u-boot.bin spl/u-boot-spl.bin
+ $(Q)$(MAKE) $(build)=arch/arm/cpu/arm926ejs/mxs $(objtree)/u-boot.sb
# On x600 (SPEAr600) U-Boot is appended to U-Boot SPL.
# Both images are created using mkimage (crc etc), so that the ROM
# SPL image (with mkimage header) and not the binary. Otherwise the resulting image
# which is loaded/copied by the ROM bootloader to SRAM doesn't fit.
# The resulting image containing both U-Boot images is called u-boot.spr
-u-boot.spr: u-boot.img spl/u-boot-spl.bin
- tools/mkimage -A $(ARCH) -T firmware -C none \
- -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER \
- -d spl/u-boot-spl.bin $@
- $(OBJCOPY) -I binary -O binary \
- --pad-to=$(CONFIG_SPL_PAD_TO) --gap-fill=0xff $@
- cat u-boot.img >> $@
+MKIMAGEFLAGS_u-boot-spl.img = -A $(ARCH) -T firmware -C none \
+ -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER
+spl/u-boot-spl.img: spl/u-boot-spl.bin FORCE
+ $(call if_changed,mkimage)
+
+OBJCOPYFLAGS_u-boot.spr = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) \
+ --gap-fill=0xff
+u-boot.spr: spl/u-boot-spl.img u-boot.img FORCE
+ $(call if_changed,pad_cat)
ifneq ($(CONFIG_TEGRA),)
-u-boot-nodtb-tegra.bin: spl/u-boot-spl.bin u-boot.bin
- $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(CONFIG_SYS_TEXT_BASE) -O binary spl/u-boot-spl spl/u-boot-spl-pad.bin
- cat spl/u-boot-spl-pad.bin u-boot.bin > $@
- rm spl/u-boot-spl-pad.bin
+OBJCOPYFLAGS_u-boot-nodtb-tegra.bin = -O binary --pad-to=$(CONFIG_SYS_TEXT_BASE)
+u-boot-nodtb-tegra.bin: spl/u-boot-spl u-boot.bin FORCE
+ $(call if_changed,pad_cat)
ifeq ($(CONFIG_OF_SEPARATE),y)
-u-boot-dtb-tegra.bin: u-boot-nodtb-tegra.bin u-boot.dtb
- cat u-boot-nodtb-tegra.bin u-boot.dtb > $@
+u-boot-dtb-tegra.bin: u-boot-nodtb-tegra.bin dts/dt.dtb FORCE
+ $(call if_changed,cat)
endif
endif
-u-boot-img.bin: spl/u-boot-spl.bin u-boot.img
- cat spl/u-boot-spl.bin u-boot.img > $@
+u-boot-img.bin: spl/u-boot-spl.bin u-boot.img FORCE
+ $(call if_changed,cat)
# PPC4xx needs the SPL at the end of the image, since the reset vector
# is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target
# and need to introduce a new build target with the full blown U-Boot
# at the start padded up to the start of the SPL image. And then concat
# the SPL image to the end.
-u-boot-img-spl-at-end.bin: spl/u-boot-spl.bin u-boot.img
- $(OBJCOPY) -I binary -O binary --pad-to=$(CONFIG_UBOOT_PAD_TO) \
- --gap-fill=0xff u-boot.img $@
- cat spl/u-boot-spl.bin >> $@
+
+OBJCOPYFLAGS_u-boot-img-spl-at-end.bin := -I binary -O binary \
+ --pad-to=$(CONFIG_UBOOT_PAD_TO) --gap-fill=0xff
+u-boot-img-spl-at-end.bin: u-boot.img spl/u-boot-spl.bin FORCE
+ $(call if_changed,pad_cat)
# Create a new ELF from a raw binary file. This is useful for arm64
# where static relocation needs to be performed on the raw binary,
--defsym=_start=$(CONFIG_SYS_TEXT_BASE) \
-Ttext=$(CONFIG_SYS_TEXT_BASE)
-ifeq ($(CONFIG_SANDBOX),y)
-GEN_UBOOT = \
- $(CC) $(SYMS) -T u-boot.lds \
- -Wl,--start-group $(u-boot-main) -Wl,--end-group \
- $(PLATFORM_LIBS) -Wl,-Map -Wl,u-boot.map -o u-boot
-else
-GEN_UBOOT = \
- $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \
- $(u-boot-init) \
- --start-group $(u-boot-main) --end-group $(PLATFORM_LIBS) \
- -Map u-boot.map -o u-boot
-endif
+# Rule to link u-boot
+# May be overridden by arch/$(ARCH)/config.mk
+quiet_cmd_u-boot__ ?= LD $@
+ cmd_u-boot__ ?= $(LD) $(LDFLAGS) $(LDFLAGS_u-boot) -o $@ \
+ -T u-boot.lds $(u-boot-init) \
+ --start-group $(u-boot-main) --end-group \
+ $(PLATFORM_LIBS) -Map u-boot.map
u-boot: $(u-boot-init) $(u-boot-main) u-boot.lds
- $(GEN_UBOOT)
+ $(call if_changed,u-boot__)
ifeq ($(CONFIG_KALLSYMS),y)
- smap=`$(call SYSTEM_MAP,u-boot) | \
- awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \
- $(CC) $(c_flags) -DSYSTEM_MAP="\"$${smap}\"" \
- -c $(srctree)/common/system_map.c -o common/system_map.o
- $(GEN_UBOOT) common/system_map.o
+ smap=`$(call SYSTEM_MAP,u-boot) | \
+ awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \
+ $(CC) $(c_flags) -DSYSTEM_MAP="\"$${smap}\"" \
+ -c $(srctree)/common/system_map.c -o common/system_map.o
+ $(call cmd,u-boot__) common/system_map.o
endif
# The actual objects are generated when descending,
# Error messages still appears in the original language
PHONY += $(u-boot-dirs)
-$(u-boot-dirs): depend scripts_basic
+$(u-boot-dirs): prepare scripts
$(Q)$(MAKE) $(build)=$@
-tools: $(TIMESTAMP_FILE) $(VERSION_FILE)
+tools: prepare
# The "tools" are needed early
$(filter-out tools, $(u-boot-dirs)): tools
# The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC
# is "yes"), so compile examples after U-Boot is compiled.
examples: $(filter-out examples, $(u-boot-dirs))
+define filechk_uboot.release
+ echo "$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))"
+endef
+
+# Store (new) UBOOTRELEASE string in include/config/uboot.release
+include/config/uboot.release: Makefile FORCE
+ $(call filechk,uboot.release)
+
+
+# Things we need to do before we recursively start building the kernel
+# or the modules are listed in "prepare".
+# A multi level approach is used. prepareN is processed before prepareN-1.
+# archprepare is used in arch Makefiles and when processed asm symlink,
+# version.h and scripts_basic is processed / created.
+
+# Listed in dependency order
+PHONY += prepare archprepare prepare0 prepare1 prepare2 prepare3
+
+# prepare3 is used to check if we are building in a separate output directory,
+# and if so do:
+# 1) Check that make has not been executed in the kernel src $(srctree)
+prepare3: include/config/uboot.release
+ifneq ($(KBUILD_SRC),)
+ @$(kecho) ' Using $(srctree) as source for u-boot'
+ $(Q)if [ -f $(srctree)/include/config.mk ]; then \
+ echo >&2 " $(srctree) is not clean, please run 'make mrproper'"; \
+ echo >&2 " in the '$(srctree)' directory.";\
+ /bin/false; \
+ fi;
+endif
+
+# prepare2 creates a makefile if using a separate output directory
+prepare2: prepare3 outputmakefile
+
+prepare1: prepare2 $(version_h) $(timestamp_h)
+ @:
+
+archprepare: prepare1 scripts_basic
+
+prepare0: archprepare FORCE
+ $(Q)$(MAKE) $(build)=.
+
+# All the preparing..
+prepare: prepare0
+
+# Generate some files
+# ---------------------------------------------------------------------------
+
+define filechk_version.h
+ (echo \#define PLAIN_VERSION \"$(UBOOTRELEASE)\"; \
+ echo \#define U_BOOT_VERSION \"U-Boot \" PLAIN_VERSION; \
+ echo \#define CC_VERSION_STRING \"$$($(CC) --version | head -n 1)\"; \
+ echo \#define LD_VERSION_STRING \"$$($(LD) --version | head -n 1)\"; )
+endef
+
+define filechk_timestamp.h
+ (LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"'; \
+ LC_ALL=C date +'#define U_BOOT_TIME "%T"')
+endef
+
+$(version_h): $(srctree)/Makefile FORCE
+ $(call filechk,version.h)
+
+$(timestamp_h): $(srctree)/Makefile FORCE
+ $(call filechk,timestamp.h)
#
# Auto-generate the autoconf.mk file (which is included by all makefiles)
include/autoconf.mk: include/config.h
$(call cmd,autoconf)
-u-boot.lds: $(LDSCRIPT) depend
+# ---------------------------------------------------------------------------
+
+PHONY += depend dep
+depend dep:
+ @echo '*** Warning: make $@ is unnecessary now.'
+
+# ---------------------------------------------------------------------------
+
+u-boot.lds: $(LDSCRIPT) prepare
$(CPP) $(cpp_flags) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$< >$@
-nand_spl: $(TIMESTAMP_FILE) $(VERSION_FILE) depend scripts_basic
- $(MAKE) $(build)=nand_spl/board/$(BOARDDIR) all
+PHONY += nand_spl
+nand_spl: prepare
+ $(Q)$(MAKE) $(build)=nand_spl/board/$(BOARDDIR) all
-u-boot-nand.bin: nand_spl u-boot.bin
- cat nand_spl/u-boot-spl-16k.bin u-boot.bin > u-boot-nand.bin
+nand_spl/u-boot-spl-16k.bin: nand_spl
+ @:
-spl/u-boot-spl.bin: tools depend scripts_basic
- $(MAKE) obj=spl -f $(srctree)/spl/Makefile all
+u-boot-nand.bin: nand_spl/u-boot-spl-16k.bin u-boot.bin FORCE
+ $(call if_changed,cat)
-tpl/u-boot-tpl.bin: tools depend scripts_basic
- $(MAKE) obj=tpl -f $(srctree)/spl/Makefile all CONFIG_TPL_BUILD=y
+spl/u-boot-spl.bin: spl/u-boot-spl
+ @:
+spl/u-boot-spl: tools prepare
+ $(Q)$(MAKE) obj=spl -f $(srctree)/spl/Makefile all
-# Explicitly make _depend in subdirs containing multiple targets to prevent
-# parallel sub-makes creating .depend files simultaneously.
-depend dep: $(TIMESTAMP_FILE) $(VERSION_FILE) \
- include/generated/generic-asm-offsets.h \
- include/generated/asm-offsets.h
+tpl/u-boot-tpl.bin: tools prepare
+ $(Q)$(MAKE) obj=tpl -f $(srctree)/spl/Makefile all CONFIG_TPL_BUILD=y
TAG_SUBDIRS := $(u-boot-dirs) include
false; \
fi
-quiet_cmd_offsets = GEN $@
- cmd_offsets = $(srctree)/tools/scripts/make-asm-offsets $< $@
-
-include/generated/generic-asm-offsets.h: lib/asm-offsets.s
- $(call cmd,offsets)
-
-quiet_cmd_asm-offsets.s = CC $@
- cmd_asm-offsets.s = mkdir -p lib; \
- $(CC) -DDO_DEPS_ONLY \
- $(c_flags) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
- -o $@ $< -c -S
-
-lib/asm-offsets.s: $(srctree)/lib/asm-offsets.c include/config.h
- $(call cmd,asm-offsets.s)
-
-include/generated/asm-offsets.h: $(CPUDIR)/$(SOC)/asm-offsets.s
- $(call cmd,offsets)
-
-quiet_cmd_soc_asm-offsets.s = CC $@
- cmd_soc_asm-offsets.s = mkdir -p $(CPUDIR)/$(SOC); \
- if [ -f $(srctree)/$(CPUDIR)/$(SOC)/asm-offsets.c ];then \
- $(CC) -DDO_DEPS_ONLY \
- $(c_flags) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
- -o $@ $(srctree)/$(CPUDIR)/$(SOC)/asm-offsets.c -c -S; \
- else \
- touch $@; \
- fi
-
-$(CPUDIR)/$(SOC)/asm-offsets.s: include/config.h
- $(call cmd,soc_asm-offsets.s)
-
#########################################################################
# ARM relocations should all be R_ARM_RELATIVE (32-bit) or
false; \
fi
-$(VERSION_FILE):
- @mkdir -p $(dir $(VERSION_FILE))
- @( localvers='$(shell $(TOPDIR)/scripts/setlocalversion $(TOPDIR))' ; \
- printf '#define PLAIN_VERSION "%s%s"\n' \
- "$(U_BOOT_VERSION)" "$${localvers}" ; \
- printf '#define U_BOOT_VERSION "U-Boot %s%s"\n' \
- "$(U_BOOT_VERSION)" "$${localvers}" ; \
- ) > $@.tmp
- @( printf '#define CC_VERSION_STRING "%s"\n' \
- '$(shell $(CC) --version | head -n 1)' )>> $@.tmp
- @( printf '#define LD_VERSION_STRING "%s"\n' \
- '$(shell $(LD) -v | head -n 1)' )>> $@.tmp
- @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@
-
-$(TIMESTAMP_FILE):
- @mkdir -p $(dir $(TIMESTAMP_FILE))
- @LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"' > $@.tmp
- @LC_ALL=C date +'#define U_BOOT_TIME "%T"' >> $@.tmp
- @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@
-
-env: depend scripts_basic
+env: scripts_basic
$(Q)$(MAKE) $(build)=tools/$@
-xmldocs pdfdocs psdocs htmldocs mandocs: tools/kernel-doc/docproc
- $(Q)$(MAKE) U_BOOT_VERSION=$(U_BOOT_VERSION) $(build)=doc/DocBook $@
-
tools-all: HOST_TOOLS_ALL=y
tools-all: env tools ;
# Directories & files removed with 'make clean'
CLEAN_DIRS += $(MODVERDIR)
CLEAN_FILES += u-boot.lds include/bmp_logo.h include/bmp_logo_data.h \
- board/*/config.tmp board/*/*/config.tmp dts/*.tmp \
+ board/*/config.tmp board/*/*/config.tmp \
include/autoconf.mk* include/spl-autoconf.mk \
include/tpl-autoconf.mk
CLOBBER_DIRS += $(patsubst %,spl/%, $(filter-out Makefile, \
$(shell ls -1 spl 2>/dev/null))) \
tpl
-CLOBBER_FILES += u-boot* MLO MLO* SPL System.map nand_spl/u-boot*
+CLOBBER_FILES += u-boot* MLO* SPL System.map nand_spl/u-boot*
# Directories & files removed with 'make mrproper'
MRPROPER_DIRS += include/config include/generated
F=`basename $(TOPDIR)` ; cd .. ; \
gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F
-#########################################################################
+
+# Documentation targets
+# ---------------------------------------------------------------------------
+%docs: scripts_basic FORCE
+ $(Q)$(MAKE) $(build)=scripts build_docproc
+ $(Q)$(MAKE) $(build)=doc/DocBook $@
+
+# Dummies...
+PHONY += prepare scripts
+prepare: ;
+scripts: ;
endif #ifeq ($(config-targets),1)
endif #ifeq ($(mixed-targets),1)
quiet_cmd_rmfiles = $(if $(wildcard $(rm-files)),CLEAN $(wildcard $(rm-files)))
cmd_rmfiles = rm -f $(rm-files)
+# read all saved command lines
+
+targets := $(wildcard $(sort $(targets)))
+cmd_files := $(wildcard .*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd))
+
+ifneq ($(cmd_files),)
+ $(cmd_files): ; # Do not try to update included dependency files
+ include $(cmd_files)
+endif
+
# Shorthand for $(Q)$(MAKE) -f scripts/Makefile.clean obj=dir
# Usage:
# $(Q)$(MAKE) $(clean)=dir